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122022202201 = 313936200071
BaseRepresentation
bin111000110100100010…
…1110000101101011001
3102122221221022010102021
41301221011300231121
53444400140432301
6132020051134441
711546552414434
oct1615105605531
9378857263367
10122022202201
1147827396609
121b794ba4421
13b678136313
145c97b4081b
1532927a18a1
hex1c69170b59

122022202201 has 4 divisors (see below), whose sum is σ = 125958402304. Its totient is φ = 118086002100.

The previous prime is 122022202187. The next prime is 122022202213. The reversal of 122022202201 is 102202220221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102202220221 = 163762432633.

It is a cyclic number.

It is not a de Polignac number, because 122022202201 - 231 = 119874718553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122022272201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968100005 + ... + 1968100066.

It is an arithmetic number, because the mean of its divisors is an integer number (31489600576).

Almost surely, 2122022202201 is an apocalyptic number.

It is an amenable number.

122022202201 is a deficient number, since it is larger than the sum of its proper divisors (3936200103).

122022202201 is an equidigital number, since it uses as much as digits as its factorization.

122022202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936200102.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122022202201 its reverse (102202220221), we get a palindrome (224224422422).

It can be divided in two parts, 12202220220 and 1, that added together give a palindrome (12202220221).

The spelling of 122022202201 in words is "one hundred twenty-two billion, twenty-two million, two hundred two thousand, two hundred one".

Divisors: 1 31 3936200071 122022202201